Heinricii theodor neszler



(No Model.)

H. T. NESZLER. APPARATUS PORTHROWING BELTS OVER THEIR PULLBYS. No. 429,861. Patented June 10, 1890.

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UNITED STATES PATENT OFFICE.

HEINRICH THEODOR NESZLER, OF CHEMNITZ, SAXONY,ASSIGNOR TO FRANZ PRETZEL & (30., OF BERLIN, GERMANY.

APPARATUS FO R THROWING BELTS OVER THEIR PULLEYS.

SPECIFICATION forming part of Letters Patent No. 429,861, dated June 10, 1890.

Application filed January 22,1890. Serial No. 337,760. (No model.) Patentedin Germany December 28, 1886,110. 40,567, and May 12, 1889, No. 50,199: in Belgium October 10,1888,No.88,653; in England December 18,1888,No.18, 189; in France June 3, 1889, No. 198,695; in Norway June 3,1889,N0.1,382; in Luxemburg June 3, 1889,11'0. 9,141; in Austria-Hungary June 3,1889, No. 26,095 and No. 47,036; in Italy June 7, 1889,110. 25,572; in Denmark June 17, 1889, No. 1,275, and in Switzerland June 25, 1889,110. 1,111.

To all whom it may concern: a washer i. The distance between the out- Be it known that I, HEINRICH THEODOR side of baraand inside of washer 1 forms the NEsZLER, a subject of the King of Saxony, guide for the second pair of curved bars m, 50 and a resident of Ohemnitz, in the Kingdom of which are held at the required distance apart 5 Saxony, German Empire, have invented cer-' and rigidly connected to each other by means tain new and useful Improvements in Appaof the cross-pieces 7c and Z. The cross-piece Z ratus for Throwing Belts Over Their Pulleys, slides in the slit in bars a, while cross-piece (for which Letters Patent have been granted 7c is bored through the middle for the recep- 55 in Germany, No. 40,567, dated December 28, tion of steel spindle at, having on its outer end I 1886, and No. 50,199, dated May 12, 1889; the headp. The spindleis adjustable in crossin England, No. 18,489, dated December 18, piece 7e by means of the set-screw in Fig. 1. 1888 in Denmark, No. 1,275, dated June 17, The socket s, with disk 0", is movable on the 1889, and in France, No. 198,695, dated June spindle n, and is under pressure of spring 0, 6o 3, 1889, under name of Franz Pretzel; in Belso that it can be accommodated to belts of any I gium, No. 83,653, dated October 10, 1888; in breadth and will always be slightly pressed Norway, No. 1,382, dated June 3, 1889; in against the one side of the same.

Italy, No. 25,572, dated June 7, 1889; in Aus- In order .to throwabelt over its pulley with tria-Hungary, No. 26,095 and No. 47,036, dated this apparatus, it is necessary first to adjust 6 5 June 3, 1889; in Luxemburg, No. 9,141, dated the spindle n in its bearing It, so that the dis- June 3, 1889, and in Switzerland, No.1,111, tance between head 19 and disk 0" shall be dated June 25, 1889, under name of Franz about the width of the belt. The spindle is Pretzel & C0.,) of which the following is an then placed under the belt, as shown in Fig. exact description. 3. The head 10 of the spindle must then be My invention consists of two metallic bars brought against the. opposite side of the pul- 2 5 curved to the same radius and one sliding on ley, as shown in Fig. 4:, when the springc will or in the other. The bars may be flat and be compressed. On raising the apparatus or provided with slits, or they may be tubular moving it in the direction of rotation of the and the one sliding in the other. pulley the belt on being taken round with the In order to make my invention more clear, pulley will draw the two parts of the appara- 0 I refer to the accompanying drawings, in tus out of each other as far as necessary, and which similar letters denote similar parts thus the belt will be laid over its pulley, while throughout the several views. the operator may stand still, only having to Figure 1 shows an end view of the apparahold the handle of the apparatus.

tus. Fig. 2 shows a side elevation with the I can also make the arcs m and a tubular,

3 5 arm at its longest reach. Figs. 3 and 41 show as shown in Fig. 7, instead of flat and having the manner of picking up the belt. Figs. 5 guide-slits, which simplifies the construction. and 6 show how the same is placed on its pul- Havingthus fully described and ascertained leys. Fig. 7 shows an arrangement where the the nature of my said invention, what I desire 35 arcs are tubular and side one within the to secure by Letters Patent of the United 40 other. States is i The apparatus consists of two curved bars 1. In apparatus for throwing belts over their at, having slits running their whole length and pulleys,the combination of two metallic arcs held at the required distance from each other curved to the same radius and the one sliding at their upper ends by the cross-piece I), while in the other, one are having at its end a spin- 5 their lower ends are attached to the handle g. die for reception of the belt, and the other The cross-piece b has two pivots extending having its one end rigidly attached to handle outward one on each side-and on each pivot g, in the manner specified.

2. The combination of the curved bars a a, In witness whereof I have hereunto set my having slits running their whole length, and hand in presence of two Witnesses. cross-piece b, and rigidly attached to handle g, with the curved bars m m, guided in bars HEINRICH 'lllEODOR NESZLER. 5 a a, having slits, cross-pieces b Z, and cross- Witnesses:

piece k, with adjustable spindle 02, head FRIEDRICH OSKAR BERGMANN,

disk, and spring 0, in the manner specified. EMIL STiiMPEL. 

